MeanOF

confidentially

- adverb (adv)

Meaning: in secret

Synonyms: behind closed doors between ourselves between us between you and me covertly don’t breathe a word hushedly in confidence in on the ground floor off the cuff off the record personally privately sub rosa
Antonyms: commonly familiarly openly publicly

Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.